1.06639
Sodium sulfate
anhydrous granulated for organic trace analysis EMSURE®
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Quality Level
product line
EMSURE®
Assay
≥99.0% (acidimetric)
form
solid
potency
>2000 mg/kg LD50, oral (Rat)
loss
≤ 0.5% loss on drying, 130 °C
pH
5.2-8.0 (20 °C, 50 g/L in H2O)
mp
884 °C (lit.)
solubility
200 g/L
density
2.68 g/mL at 25 °C (lit.)
bulk density
1400‑1600 kg/m3
cation traces
Fe: ≤0.001%
storage temp.
2-30°C
SMILES string
[Na+].[Na+].[O-]S([O-])(=O)=O
InChI
1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
InChI key
PMZURENOXWZQFD-UHFFFAOYSA-L
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1 of 4
This Item | 1.06637 | 1.06649 | 239313 |
|---|---|---|---|
| form solid | form solid | form solid | form granular |
| solubility 200 g/L | solubility 200 g/L | solubility - | solubility - |
| assay ≥99.0% (acidimetric) | assay ≥99.0% (acidimetric) | assay ≥99.0% (alkalimetric), 98.5-101% dry basis (alkalimetric) | assay ≥99.0% |
| Quality Level 300 | Quality Level 300 | Quality Level 300 | Quality Level 200 |
| density 2.68 g/mL at 25 °C (lit.) | density 2.68 g/mL at 25 °C (lit.) | density 2.68 g/mL at 25 °C (lit.) | density 2.68 g/mL at 25 °C (lit.) |
| cation traces Fe: ≤0.001% | cation traces As: ≤0.0001%, Ca: ≤0.01%, Fe: ≤0.0005%, K: ≤0.002%, Mg: ≤0.001%, N: ≤0.0005%, heavy metals (as Pb): ≤0.0005% | cation traces As: ≤0.0001%, Ca: ≤0.005%, Fe: ≤0.0005%, K: ≤0.002%, Mg: ≤0.001%, N: ≤0.0005%, heavy metals: ≤0.0005%, heavy metals (as Pb): ≤0.0005% | cation traces Ca: ≤0.01%, Fe: ≤0.001%, K: ≤0.01%, Mg: ≤0.005%, heavy metals: ≤5 ppm (by ICP-OES) |
Analysis Note
Assay (acidimetric): ≥ 99.0 %
Fe (Iron): ≤ 0.001 %
Loss on drying (130 °C): ≤ 0.5 %
Legal Information
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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